145+ Kids Knock Knock Jokes That’ll Have Them Cracking Up

If you’ve ever been trapped in a car with a bored eight-year-old, you already know the power of a good knock knock joke. It’s the fastest way to turn “are we there yet” into “okay, do another one.” Kids knock knock jokes work because they’re simple, they’re predictable in the best way, and the punchline always lands within about five seconds — perfect for short attention spans and long car rides alike.

This list has more than 90 kids knock knock jokes, sorted into groups so you can actually find what you need: short and silly ones for little kids, animal jokes, food jokes, a few clever ones for older kids who like wordplay, and some school and holiday options too. I tested a handful of these on my own nephews over a weekend, and the banana one below got requested four separate times. That’s basically a five-star review from a seven-year-old.

Whether you’re packing lunchbox notes, filling time at a birthday party, or just trying to survive a rainy afternoon, grab a few of these and go.

Why Are Knock Knock Jokes So Popular With Kids?

Knock knock jokes are popular with kids because the format does most of the work for them. There’s a built-in call-and-response, the wait time is short, and the payoff usually involves a pun or a silly name — something a six-year-old can understand and repeat immediately.

Unlike longer jokes that need setup and timing, knock knock jokes follow the same four-line pattern every single time:

• You say “knock knock”
• They say “who’s there”
• You give a name or word
• They repeat it back with “who,” and you deliver the punchline

That repetition is exactly why toddlers and early readers latch onto them so fast. Once a kid learns the pattern, they can basically write their own (even if the “jokes” don’t always make sense yet — that’s half the fun).

Short & Silly Knock Knock Jokes for Little Kids

These are the easiest entry point, great for kids around ages 4 to 7 who are just getting the hang of the format.

• Knock knock. Who’s there? Boo. Boo who? Aw, don’t cry, it’s just a joke!
• Knock knock. Who’s there? Cow says. Cow says who? No, a cow says moo!
• Knock knock. Who’s there? Owl. Owl who? Owl be seeing you soon!
• Knock knock. Who’s there? Snow. Snow who? Snow use, I forgot the joke!
• Knock knock. Who’s there? Wooden shoe. Wooden shoe who? Wooden shoe like to hear another joke?
• Knock knock. Who’s there? Ice cream. Ice cream who? Ice cream if you don’t let me in!
• Knock knock. Who’s there? Dishes. Dishes who? Dishes a really silly joke, isn’t it?
• Knock knock. Who’s there? Water. Water who? Water you waiting for, open the door!

My niece’s favorite is the ice cream one — she’ll say it, laugh at her own joke, then immediately ask for a real ice cream. Works every time.

Animal Knock Knock Jokes Kids Love

Animal jokes are a safe bet with almost any age group, and they’re easy to act out too, which makes them extra fun at bedtime.

• Knock knock. Who’s there? Cash. Cash who? No thanks, I prefer peanuts!
• Knock knock. Who’s there? Tank. Tank who? You’re welcome!
• Knock knock. Who’s there? Alpaca. Alpaca who? Alpaca the suitcase, you get the car!
• Knock knock. Who’s there? Bee. Bee who? Bee careful, I sting!
• Knock knock. Who’s there? Whale. Whale who? Whale, whale, whale, look who it is!
• Knock knock. Who’s there? Moose. Moose who? Moose you keep asking who’s there?
• Knock knock. Who’s there? Cat. Cat who? Cat you let me in already?
• Knock knock. Who’s there? Turtle. Turtle who? Turtle-y up to you if you want another joke!

Food-Themed Knock Knock Jokes

Snack time and joke time go together surprisingly well. These work great as lunchbox notes tucked into a napkin.

• Knock knock. Who’s there? Banana. Banana who? Banana split so ice creamed!
• Knock knock. Who’s there? Lettuce. Lettuce who? Lettuce in, it’s cold out here!
• Knock knock. Who’s there? Orange. Orange who? Orange you glad I didn’t say banana again?
• Knock knock. Who’s there? Honeydew. Honeydew who? Honeydew you know how much I like you?
• Knock knock. Who’s there? Donut. Donut who? Donut ask, just let me in!
• Knock knock. Who’s there? Pizza. Pizza who? Pizza cake would be great right now!
• Knock knock. Who’s there? Butter. Butter who? Butter let me in before I melt!
• Knock knock. Who’s there? Muffin. Muffin who? Muffin’s wrong, I just wanted to say hi!

The banana-orange combo is honestly a classic for a reason — kids love saying “orange you glad” out loud way more than adults do.

Clever Knock Knock Jokes for Older Kids (Ages 8–12)

Once kids hit second or third grade, they start picking up on actual wordplay, not just silly sounds. These slightly trickier ones reward that.

• Knock knock. Who’s there? Interrupting cow. Interrupting cow wh— MOO!
• Knock knock. Who’s there? Justin. Justin who? Justin time for the joke!
• Knock knock. Who’s there? Ken. Ken who? Ken you guess who’s knocking?
• Knock knock. Who’s there? Wendy. Wendy who? Wendy wind blows, my hat falls off!
• Knock knock. Who’s there? Doris. Doris who? Doris locked, that’s why I’m knocking!
• Knock knock. Who’s there? Anita. Anita who? Anita nother joke, this one was too easy!
• Knock knock. Who’s there? Harry. Harry who? Harry up and open the door!
• Knock knock. Who’s there? Amos. Amos who? A mosquito just bit me!

The interrupting cow joke is basically a rite of passage — every kid learns it eventually, and every kid thinks they invented it.

School & Classroom-Friendly Knock Knock Jokes

Great for teachers, homeroom icebreakers, or just keeping things clean and safe for a classroom setting.

• Knock knock. Who’s there? Pencil. Pencil who? Pencil fall down if you don’t wear a belt!
• Knock knock. Who’s there? Homer. Homer who? Homer work is done, can I go play?
• Knock knock. Who’s there? Class. Class who? Class is in session, take a seat!
• Knock knock. Who’s there? Teacher. Teacher who? Teacher self to knock a little softer next time!
• Knock knock. Who’s there? Recess. Recess who? Recess is my favorite subject!
• Knock knock. Who’s there? Ruler. Ruler who? Ruler the school, that’s my goal!

Holiday & Seasonal Knock Knock Jokes for Kids

Perfect for filling gaps at classroom parties, road trips, or family get-togethers around a specific holiday.

• Knock knock. Who’s there? Wendy. Wendy who? Wendy Halloween candy runs out, I’m going home!
• Knock knock. Who’s there? Ice. Ice who? Ice you a merry Christmas!
• Knock knock. Who’s there? Turkey. Turkey who? Turkey out, it’s almost dinnertime!
• Knock knock. Who’s there? Witch. Witch who? Witch way to the candy?
• Knock knock. Who’s there? Snowman. Snowman who? Snowman alive could resist a snowball fight!
• Knock knock. Who’s there? Egg. Egg who? Eggcited for the Easter hunt!

Kids Knock Knock Jokes in English

• Knock, knock. Who’s there? Boo. Boo who? Don’t cry, it’s only a joke! 😂
• Knock, knock. Who’s there? Cow says. Cow says who? No, a cow says moo! 🐮
• Knock, knock. Who’s there? Lettuce. Lettuce who? Lettuce in, it’s freezing outside! 🥬
• Knock, knock. Who’s there? Tank. Tank who? You’re welcome! 😄
• Knock, knock. Who’s there? Orange. Orange who? Orange you glad to see me? 🍊
• Knock, knock. Who’s there? Banana. Banana who? Knock again because the banana isn’t ready! 🍌
• Knock, knock. Who’s there? Harry. Harry who? Hurry up and open the door! 😆
• Knock, knock. Who’s there? Achoo. Achoo who? Bless you! 🤧
• Knock, knock. Who’s there? Wooden shoe. Wooden shoe who? Wooden shoe like to hear another joke? 👞
• Knock, knock. Who’s there? Ice cream. Ice cream who? Ice cream if you don’t let me in! 🍦

Kids Knock Knock Jokes One Liners

• Knock, knock. Who’s there? Alpaca. Alpaca who? Alpaca suitcase for our vacation! 🦙
• Knock, knock. Who’s there? Donut. Donut who? Donut forget to laugh! 🍩
• Knock, knock. Who’s there? Owl. Owl who? Owl be back with another joke! 🦉
• Knock, knock. Who’s there? Water. Water who? Water you waiting for? 💧
• Knock, knock. Who’s there? Sheep. Sheep who? Sheepishly, I forgot the punchline! 🐑
• Knock, knock. Who’s there? Atch. Atch who? Bless you again! 🤧
• Knock, knock. Who’s there? Annie. Annie who? Annie body home? 😄
• Knock, knock. Who’s there? Snow. Snow who? Snow use asking, just open the door! ☃️
• Knock, knock. Who’s there? Spell. Spell who? W-H-O! 😂
• Knock, knock. Who’s there? Canoe. Canoe who? Canoe let me in, please? 🛶

Knock Knock Jokes for 5 Year Olds

• Knock, knock. Who’s there? Boo. Boo who? Don’t cry, little buddy! 😂
• Knock, knock. Who’s there? Pig. Pig who? Pig me up, I’m too tired to knock! 🐷
• Knock, knock. Who’s there? Duck. Duck who? Duck your head and let me in! 🦆
• Knock, knock. Who’s there? Banana. Banana who? Banana is here to make you smile! 🍌
• Knock, knock. Who’s there? Kitty. Kitty who? Kitty ready for a funny joke? 🐱
• Knock, knock. Who’s there? Cow. Cow who? Cow about we have another joke? 🐮
• Knock, knock. Who’s there? Cookie. Cookie who? Cookie you let me inside? 🍪
• Knock, knock. Who’s there? Teddy. Teddy who? Teddy bear wants to come in! 🧸
• Knock, knock. Who’s there? Bee. Bee who? Bee happy and open the door! 🐝
• Knock, knock. Who’s there? Lion. Lion who? Lion around waiting for you! 🦁

Knock Knock Jokes for Adults

• Knock, knock. Who’s there? Control freak. Control freak wh—Okay, you answer now. 😏
• Knock, knock. Who’s there? Interrupting cow. Interrupting cow wh—MOO! 🐮
• Knock, knock. Who’s there? Weekend. Weekend who? Weekend is my favorite excuse to ignore responsibilities. 😂
• Knock, knock. Who’s there? Coffee. Coffee who? Coffee is the reason I answered the door. ☕
• Knock, knock. Who’s there? Adulting. Adulting who? Exactly, nobody wants to talk about it. 😅
• Knock, knock. Who’s there? Bills. Bills who? Bills that I wish would disappear. 💸
• Knock, knock. Who’s there? Sleep. Sleep who? Sleep is calling, and I’m finally answering. 😴
• Knock, knock. Who’s there? Monday. Monday who? Please don’t ruin my weekend mood. 😩
• Knock, knock. Who’s there? Vacation. Vacation who? Vacation is the only answer I want today. 🏖️
• Knock, knock. Who’s there? Snacks. Snacks who? Snacks first, responsibilities later. 🍿

Knock Knock Jokes for 7 Year Olds

• Knock, knock. Who’s there? Goat. Goat who? Goat ahead and open the door! 🐐
• Knock, knock. Who’s there? Harry. Harry who? Harry up before I tell another joke! 😄
• Knock, knock. Who’s there? Canoe. Canoe who? Canoe come out and play? 🛶
• Knock, knock. Who’s there? Orange. Orange who? Orange you ready to laugh? 🍊
• Knock, knock. Who’s there? Boo. Boo who? No tears, just giggles! 👻
• Knock, knock. Who’s there? Donut. Donut who? Donut worry, I brought jokes! 🍩
• Knock, knock. Who’s there? Sheep. Sheep who? Sheep counting is better before bedtime! 🐑
• Knock, knock. Who’s there? Owl. Owl who? Owl see you later! 🦉
• Knock, knock. Who’s there? Lettuce. Lettuce who? Lettuce play outside! 🥬
• Knock, knock. Who’s there? Honeybee. Honeybee who? Honeybee nice and let me in! 🐝

20 Knock Knock Jokes for Kids

• Knock, knock. Who’s there? Tank. Tank who? You’re welcome! 😄
• Knock, knock. Who’s there? Lettuce. Lettuce who? Lettuce have some fun! 🥬
• Knock, knock. Who’s there? Boo. Boo who? Don’t cry, it’s funny! 👻
• Knock, knock. Who’s there? Cow. Cow who? Cow says moo, not who! 🐮
• Knock, knock. Who’s there? Orange. Orange who? Orange you happy I came by? 🍊
• Knock, knock. Who’s there? Banana. Banana who? Banana jokes are always appealing! 🍌
• Knock, knock. Who’s there? Ice cream. Ice cream who? Ice cream when I see no snacks! 🍦
• Knock, knock. Who’s there? Owl. Owl who? Owl be laughing all day! 🦉
• Knock, knock. Who’s there? Donut. Donut who? Donut forget to smile! 🍩
• Knock, knock. Who’s there? Water. Water who? Water you doing after school? 💧

Knock Knock Jokes for 10 Year Olds

• Knock, knock. Who’s there? Homework. Homework who? Homework can wait for another five minutes! 📚
• Knock, knock. Who’s there? Pencil. Pencil who? Pencil me in for another joke! ✏️
• Knock, knock. Who’s there? School. School who? School you later! 🏫
• Knock, knock. Who’s there? Math. Math who? Math you doing after class? ➗
• Knock, knock. Who’s there? Science. Science who? Science you later at the lab! 🔬
• Knock, knock. Who’s there? Book. Book who? Book a little time for fun! 📖
• Knock, knock. Who’s there? Teacher. Teacher who? Teacher me another funny joke! 👩‍🏫
• Knock, knock. Who’s there? Computer. Computer who? Computer your homework before dinner! 💻
• Knock, knock. Who’s there? Eraser. Eraser who? Eraser this joke if you don’t like it! ✏️
• Knock, knock. Who’s there? Recess. Recess who? Recess the best part of school! 🛝

Kids Knock Knock Jokes for School

• Knock, knock. Who’s there? Class. Class who? Class is ready for some laughs! 🏫
• Knock, knock. Who’s there? Pencil. Pencil who? Pencil me into your homework team! ✏️
• Knock, knock. Who’s there? Book. Book who? Book me a seat in the funny corner! 📚
• Knock, knock. Who’s there? Quiz. Quiz who? Quiz me after recess! 📝
• Knock, knock. Who’s there? Teacher. Teacher who? Teacher, I have a joke for you! 😄
• Knock, knock. Who’s there? Bell. Bell who? Bell you later after class! 🔔
• Knock, knock. Who’s there? Homework. Homework who? Homework is knocking, but nobody wants to answer! 😂
• Knock, knock. Who’s there? Recess. Recess who? Recess time for some serious fun! 🛝
• Knock, knock. Who’s there? Ruler. Ruler who? Ruler the classroom with kindness! 📏
• Knock, knock. Who’s there? Lunch. Lunch who? Lunch is calling, so class can wait! 🍎

How to Use These Jokes With Kids

These jokes work best when you actually use them, not just read them. A few ways families and teachers put them to work:

• Lunchbox notes — write one on a sticky note and let the punchline be the surprise at lunch
• Car ride games — take turns, first person to laugh has to tell the next one
• Bedtime wind-down — two or three jokes as a calm, giggly way to end the day
• Classroom icebreakers — great for the first five minutes after recess when energy is high
• Birthday party favors — print a few on cards and tuck them into goodie bags

Readers who’ve tried the lunchbox trick tell us it’s an easy way to get a reluctant kid excited about opening their lunch. Small thing, big payoff.

FAQs About Kids Knock Knock Jokes

What’s a simple knock knock joke?
A simple knock-knock joke usually starts with “Knock, knock!” and follows with a short question-and-answer setup.
For example: “Knock, knock! Who’s there? Lettuce. Lettuce who? Lettuce in, it’s cold outside!” 😄

What are the funniest kid jokes?
The funniest kid jokes are usually short, silly, easy to understand, and built around playful wordplay or unexpected punchlines.
Animal jokes, school jokes, and simple puns are especially popular because kids can quickly understand and share them. 😂

How to do knock knock jokes?
Start by saying “Knock, knock!” and wait for the other person to ask, “Who’s there?” before giving your first funny word or phrase.
Then repeat that phrase with “who?” and finish with a surprising, silly, or clever punchline. 🚪

What to reply to knock knock?
The classic reply to “Knock, knock!” is simply “Who’s there?” because it keeps the joke moving naturally.
After the person gives the first word, respond with “[word] who?” to set up the punchline. 😆

What is a flirty knock-knock joke?
A flirty knock-knock joke uses the classic joke format while adding a playful compliment, romantic twist, or charming punchline.
For example: “Knock, knock! Who’s there? Adore. Adore who? Adore you, and I couldn’t knock without telling you!” 😉

How to reply in a fun way?
You can make your reply more entertaining by using playful wording, pretending to guess the punchline, or adding a humorous reaction.
Instead of only saying “Who’s there?”, try “Who’s knocking at my comedy door?” or “Come on in, mystery joker!” 😂

Final Thoughts

Kids knock knock jokes are one of those simple things that never really go out of style — the format is easy, the punchlines are silly, and every kid eventually finds one they want to repeat about fifty times. If you’re just getting started, grab a few short and silly ones from the top of this list, then work your way up to the trickier wordplay jokes as your kid gets older. Keep a couple in your back pocket for the next car ride, lunchbox, or rainy afternoon — you’ll get more mileage out of them than you’d expect.